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Diffstat (limited to 'Bachelor/Prog2/Codebeispiele/8_ch13/fig13_06.cpp')
| -rw-r--r-- | Bachelor/Prog2/Codebeispiele/8_ch13/fig13_06.cpp | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/Bachelor/Prog2/Codebeispiele/8_ch13/fig13_06.cpp b/Bachelor/Prog2/Codebeispiele/8_ch13/fig13_06.cpp new file mode 100644 index 0000000..b9656fb --- /dev/null +++ b/Bachelor/Prog2/Codebeispiele/8_ch13/fig13_06.cpp @@ -0,0 +1,53 @@ +// Fig. 13.6: fig13_06.cpp
+// Demonstrating set_new_handler.
+#include <iostream>
+
+using std::cout;
+using std::cerr;
+
+#include <new> // standard operator new
+#include <cstdlib> // abort function prototype
+
+void customNewHandler()
+{
+ cerr << "customNewHandler was called";
+ abort();
+}
+
+// using set_new_handler to handle failed memory allocation
+int main()
+{
+ double *ptr[ 50 ];
+
+ // specify that customNewHandler should be called on failed
+ // memory allocation
+ set_new_handler( customNewHandler );
+
+ // allocate memory for ptr[ i ]; customNewHandler will be
+ // called on failed memory allocation
+ for ( int i = 0; i < 50; i++ ) {
+ ptr[ i ] = new double[ 5000000 ];
+
+ cout << "Allocated 5000000 doubles in ptr[ "
+ << i << " ]\n";
+
+ } // end for
+
+ return 0;
+
+} // end main
+
+/**************************************************************************
+ * (C) Copyright 1992-2003 by Deitel & Associates, Inc. and Prentice *
+ * Hall. All Rights Reserved. *
+ * *
+ * DISCLAIMER: The authors and publisher of this book have used their *
+ * best efforts in preparing the book. These efforts include the *
+ * development, research, and testing of the theories and programs *
+ * to determine their effectiveness. The authors and publisher make *
+ * no warranty of any kind, expressed or implied, with regard to these *
+ * programs or to the documentation contained in these books. The authors *
+ * and publisher shall not be liable in any event for incidental or *
+ * consequential damages in connection with, or arising out of, the *
+ * furnishing, performance, or use of these programs. *
+ *************************************************************************/
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